At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54...
The airborne laser scanning (ALS) datasets were acquired at the Arctic tundra site of Trail Valley Creek (TVC), Northwest Territories, Canada, which is underlain by continuous...
This data set estimates feature heights above the ground surface, and is one of a suite of topographic datasets available from NH GRANIT that convey the shape of the Earth's surface.
New Hampshire Geospatial Data Portal2025-02-28 更新30